Rao, B. Sridhar. Principles of Community Medicine / B Sridhar Rao. - 4th ed. - New Delhi : AITBS Publishers & Distributors, 2005 - xvi, 627 p. : ill. 24 cm. Includes index. ISBN: 8174731709 Subjects--Topical Terms: Community Medicine National Library of Medicine Call No.: W 84.5 / .R36 2005